Concatenate Two Changeset Objects

int sqlite3changeset_concat(
 int nA, /* Number of bytes in buffer pA */
 void *pA, /* Pointer to buffer containing changeset A */
 int nB, /* Number of bytes in buffer pB */
 void *pB, /* Pointer to buffer containing changeset B */
 int *pnOut, /* OUT: Number of bytes in output changeset */
 void **ppOut /* OUT: Buffer containing output changeset */
);

This function is used to concatenate two changesets, A and B, into a single changeset. The result is a changeset equivalent to applying changeset A followed by changeset B.

This function combines the two input changesets using an sqlite3_changegroup object. Calling it produces similar results as the following code fragment:

 sqlite3_changegroup *pGrp;
 rc = sqlite3_changegroup_new(&pGrp);
 if( rc==SQLITE_OK ) rc = sqlite3changegroup_add(pGrp, nA, pA);
 if( rc==SQLITE_OK ) rc = sqlite3changegroup_add(pGrp, nB, pB);
 if( rc==SQLITE_OK ){
 rc = sqlite3changegroup_output(pGrp, pnOut, ppOut);
 }else{
 *ppOut = 0;
 *pnOut = 0;
 }

Refer to the sqlite3_changegroup documentation below for details.

See also lists of Objects, Constants, and Functions.